Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5131271 | Ultrasonic level detector | Kevin M. Haynes | 1992-07-21 |
| 5121632 | Point level switch | Manley S. Keeler, Boyce Carsella | 1992-06-16 |
| 4682958 | Data entry terminal and memory module therefor | William H. Slavik, William P. Carlson, George L. Cepynsky, Paul G. Dussault, James Wolf | 1987-07-28 |